The three most fundamental groups of organisms on the planet are

If a specimen contains 30% adenine in its dna, how much cytosine will it contain? 40% 30% 20% 10% 15%

If a plant cell is placed in a solution and the cell shrivels up, what type of solution was it placed in? How do you know?

What a three main types of sedimentary rocks

How many species of baobab trees found in Africa

How would a food web be affected if a species disappeared from a ecosystem?

Toxins from seafood, mushrooms and mold present great potential for

Name the irregular ridges of muscle lining the ventricles.

Trees planted on hills keep lakes + streams from becoming muddy how?

Cacti in the Arizona desert compete to draw water through the roots because it does not rain much there. Younger plants with smaller roots have a tough time competing with the larger roots of the older plants.

The cell contains 78% water, 12% salt, and 10% other materials. The solution it is in contains 95% water, 3% salt, and 2% other materials. what is the solution?